Problem	fenwicktree
User	crazy0215
Submission Time	2025-02-07 21:48:45
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:42:11: error: ‘z’ was not declared in this scope
42 | a[p]+=z;
| ^